package com.hcm.sk.util;


import org.apache.commons.codec.digest.DigestUtils;
import org.springframework.stereotype.Component;

import javax.xml.soap.SAAJMetaFactory;

/**
 * @description: MD5Util
 * @date: 2021/1/25 14:58
 * @author: hcm
 * @version: 1.0
 */
@Component
public class MD5Util {
    /**
     * 加密
     * @param data
     * @return
     */
    public static String md5(String data){
        return DigestUtils.md5Hex(data);
    }

    /**
     * 盐值
     */
    private static final String salt = "1a2b3c4d";

    /**
     * 密码混淆
     * @param inputPass
     * @return
     */
    public static String inputPassToFromPass(String inputPass){
        String str = ""+salt.charAt(0)+salt.charAt(2)+inputPass+salt.charAt(5)+salt.charAt(4);
        return md5(str);
    }

    /**
     * 第二次加密
     */
    public static String formPasswordToPass(String fromPass , String salt){
        String str = ""+salt.charAt(0) + salt.charAt(2)+fromPass+salt.charAt(5)+salt.charAt(4);
        return md5(str);
    }

    /**
     * 存库
     */
    public static String inputPassToDBPass(String inputPass , String salt){
        String fromPass = inputPassToFromPass(inputPass);
        String dbPass = formPasswordToPass(fromPass,salt);
        return dbPass;
    }

    public static void main(String[] args) {
        //ce21b747de5af71ab5c2e20ff0a60eea
        System.out.println(inputPassToFromPass("123456"));
        System.out.println(formPasswordToPass("d3b1294a61a07da9b49b6e22b2cbd7f9", salt));
        System.out.println(inputPassToDBPass("123456",salt));
    }
}
